cri: remove v1alpha1 codebase

Signed-off-by: Wei Fu <[email protected]>

Author: fuweid

Makefile

@@ -86,7 +86,6 @@ COVERAGE_PACKAGES=$(shell go list ./... | \
 				  grep -v github.com/alibaba/pouch/cli$$ | \
 				  grep -v github.com/alibaba/pouch/cli/ | \
 				  grep -v github.com/alibaba/pouch/cri/apis | \
-				  grep -v github.com/alibaba/pouch/cri/v1alpha1 | \
 				  grep -v github.com/alibaba/pouch/apis/types )
 
 COVERAGE_PACKAGES_LIST=$(shell echo $(COVERAGE_PACKAGES) | tr " " ",")
@@ -292,12 +291,6 @@ integration-test: build-daemon-integration build-integration-test ## run daemon
 	@mkdir -p coverage
 	./hack/testing/run_daemon_integration.sh ${INTEGRATION_FLAGS}
 
-.PHONY: cri-v1alpha1-test
-cri-v1alpha1-test: ## run v1 alpha1 cri-v1alpha1-test
-	@echo $@
-	@mkdir -p coverage
-	./hack/testing/run_daemon_cri_integration.sh v1alpha1
-
 .PHONY: cri-v1alpha2-test
 cri-v1alpha2-test: ## run v1 alpha2 cri-v1alpha2-test
 	@echo $@
@@ -311,7 +304,7 @@ cri-e2e-test: ## run cri-e2e-test
 	./hack/testing/run_daemon_cri_e2e.sh v1alpha2
 
 .PHONY: test
-test: unit-test integration-test cri-v1alpha1-test cri-v1alpha2-test cri-e2e-test ## run the unit-test, integration-test , cri-v1alpha1-test , cri-v1alpha2-test and cri-e2e-test
+test: unit-test integration-test cri-v1alpha2-test cri-e2e-test ## run the unit-test, integration-test, cri-v1alpha2-test and cri-e2e-test
 
 .PHONY: coverage
 coverage: ## combine coverage after test

cri/criservice.go

@@ -4,8 +4,6 @@ import (
 	"fmt"
 
 	"github.com/alibaba/pouch/cri/stream"
-	criv1alpha1 "github.com/alibaba/pouch/cri/v1alpha1"
-	servicev1alpha1 "github.com/alibaba/pouch/cri/v1alpha1/service"
 	criv1alpha2 "github.com/alibaba/pouch/cri/v1alpha2"
 	"github.com/alibaba/pouch/daemon/config"
 	"github.com/alibaba/pouch/daemon/mgr"
@@ -29,67 +27,15 @@ func RunCriService(daemonconfig *config.Config, containerMgr mgr.ContainerMgr, i
 		return
 	}
 	switch daemonconfig.CriConfig.CriVersion {
-	case "v1alpha1":
-		err = runv1alpha1(daemonconfig, containerMgr, imageMgr, streamRouterCh, readyCh)
 	case "v1alpha2":
 		err = runv1alpha2(daemonconfig, containerMgr, imageMgr, volumeMgr, criPlugin, streamRouterCh, readyCh)
 	default:
 		streamRouterCh <- nil
 		readyCh <- false
-		err = fmt.Errorf("failed to start CRI service: invalid CRI version %s, expected to be v1alpha1 or v1alpha2", daemonconfig.CriConfig.CriVersion)
+		err = fmt.Errorf("failed to start CRI service: invalid CRI version %s, expected to be v1alpha2", daemonconfig.CriConfig.CriVersion)
 	}
 }
 
-// Start CRI service with CRI version: v1alpha1
-func runv1alpha1(daemonconfig *config.Config, containerMgr mgr.ContainerMgr, imageMgr mgr.ImageMgr, streamRouterCh chan stream.Router, readyCh chan bool) error {
-	logrus.Infof("Start CRI service with CRI version: v1alpha1")
-	criMgr, err := criv1alpha1.NewCriManager(daemonconfig, containerMgr, imageMgr)
-	if err != nil {
-		streamRouterCh <- nil
-		readyCh <- false
-		return fmt.Errorf("failed to get CriManager with error: %v", err)
-	}
-
-	service, err := servicev1alpha1.NewService(daemonconfig, criMgr)
-	if err != nil {
-		streamRouterCh <- nil
-		readyCh <- false
-		return fmt.Errorf("failed to start CRI service with error: %v", err)
-	}
-
-	errChan := make(chan error, 2)
-	// If the cri stream server share the port with pouchd,
-	// export the its router. Otherwise launch it.
-	if daemonconfig.CriConfig.StreamServerReusePort {
-		errChan = make(chan error, 1)
-		streamRouterCh <- criMgr.StreamRouter()
-	} else {
-		go func() {
-			errChan <- criMgr.StreamServerStart()
-			logrus.Infof("CRI Stream server stopped")
-		}()
-		streamRouterCh <- nil
-	}
-
-	go func() {
-		errChan <- service.Serve()
-		logrus.Infof("CRI GRPC server stopped")
-	}()
-
-	// the criservice has set up, send Ready
-	readyCh <- true
-
-	// Check for error
-	for i := 0; i < cap(errChan); i++ {
-		if err := <-errChan; err != nil {
-			return err
-		}
-	}
-
-	logrus.Infof("CRI service stopped")
-	return nil
-}
-
 // Start CRI service with CRI version: v1alpha2
 func runv1alpha2(daemonconfig *config.Config, containerMgr mgr.ContainerMgr, imageMgr mgr.ImageMgr, volumeMgr mgr.VolumeMgr, criPlugin hookplugins.CriPlugin, streamRouterCh chan stream.Router, readyCh chan bool) error {
 	logrus.Infof("Start CRI service with CRI version: v1alpha2")